Zodiac R0099800 On-Off Rocker Switch Replacement for Select Zodiac Pool and Spa Heaters On-off rocker switch replacement Fits Zodiac Legacy and Hot Shot pool and spa heater model LRZM, 100 Also fits Zodiac Jandy Lite2 LD and Lite2 LG pool and spa heater models 125, 175, 250, 325, 400